Ultrasound probe for treating skin laxity
First Claim
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1. An ultrasound probe, comprising:
- a housing comprising a motion mechanism and a piezoelectric focused ultrasound transducer,wherein the piezoelectric focused ultrasound transducer is configured to provide a focus,wherein the focus is configured to provide ultrasound therapy energy in a form of a thermal focus in a tissue at a depth below a skin surface,wherein the depth is at a fixed depth below the skin surface to treat the tissue,wherein the tissue comprises a muscle tissue and any of the group consisting of;
an epidermal tissue, a superficial dermal tissue, a mid-dermal tissue, a deep dermal tissue, and an adipose tissue,wherein the thermal focus is formed without a lens,wherein a portion of the housing is configured for acoustic coupling to the skin surface;
wherein the piezoelectric focused ultrasound transducer is configured for delivery of the ultrasound therapy energy at a temperature sufficient to tighten at least a portion of the tissue at the depth under the skin surface,wherein the piezoelectric focused ultrasound transducer is connected to the motion mechanism,wherein the motion mechanism is configured to operate with an encoder, wherein the motion mechanism is configured to move the piezoelectric focused ultrasound transducer to form a plurality of thermal lesions at the depth for tightening at least a portion of the tissue for reducing skin laxity.
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Abstract
A probe for ultrasound treatment of skin laxity are provided. Systems and methods can include ultrasound imaging of the region of interest for localization of the treatment area, delivering ultrasound energy at a depth and pattern to achieve the desired therapeutic effects, and/or monitoring the treatment area to assess the results and/or provide feedback. In an embodiment, a treatment system and method can be configured for producing arrays of sub-millimeter and larger zones of thermal ablation to treat the epidermal, superficial dermal, mid-dermal or deep dermal components of tissue.
1131 Citations
20 Claims
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1. An ultrasound probe, comprising:
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a housing comprising a motion mechanism and a piezoelectric focused ultrasound transducer, wherein the piezoelectric focused ultrasound transducer is configured to provide a focus, wherein the focus is configured to provide ultrasound therapy energy in a form of a thermal focus in a tissue at a depth below a skin surface, wherein the depth is at a fixed depth below the skin surface to treat the tissue, wherein the tissue comprises a muscle tissue and any of the group consisting of;
an epidermal tissue, a superficial dermal tissue, a mid-dermal tissue, a deep dermal tissue, and an adipose tissue,wherein the thermal focus is formed without a lens, wherein a portion of the housing is configured for acoustic coupling to the skin surface; wherein the piezoelectric focused ultrasound transducer is configured for delivery of the ultrasound therapy energy at a temperature sufficient to tighten at least a portion of the tissue at the depth under the skin surface, wherein the piezoelectric focused ultrasound transducer is connected to the motion mechanism, wherein the motion mechanism is configured to operate with an encoder, wherein the motion mechanism is configured to move the piezoelectric focused ultrasound transducer to form a plurality of thermal lesions at the depth for tightening at least a portion of the tissue for reducing skin laxity. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An ultrasound probe, comprising:
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an ultrasound transducer in a housing, the ultrasound transducer being piezoelectric and configured for delivery of a focused ultrasound therapy energy at a temperature sufficient to heat at least a portion of a tissue at a depth in a region of interest under a skin surface, wherein the tissue comprises a muscle tissue and any one or more of the group consisting of;
an epidermal tissue, a superficial dermal tissue, a mid-dermal tissue, a deep dermal tissue, and an adipose tissue;wherein the ultrasound transducer is configured to provide at least one focus, wherein the at least one focus is configured to provide ultrasound therapy energy in a form of a thermal focus in the tissue at the depth below a skin surface, wherein the thermal focus is formed without a lens, wherein the ultrasound transducer is configured for delivery of the ultrasound therapy energy at the temperature sufficient to heat the at least a portion of the tissue at the depth under the skin surface, wherein the ultrasound transducer forms a plurality of thermal lesions at the depth for reducing an appearance of skin laxity. - View Dependent Claims (8, 9, 10, 11)
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12. An ultrasound probe, comprising:
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a housing and a piezoelectric ultrasound transducer, wherein the piezoelectric ultrasound transducer is inside the housing, wherein the piezoelectric ultrasound transducer is configured to provide a focus, wherein the focus is configured to provide ultrasound therapy energy in a form of a thermal focus in a tissue at a depth below a skin surface, wherein the depth is up to 5 mm below the skin surface, wherein the tissue comprises a muscle tissue and any of the group consisting of;
an epidermal tissue, a superficial dermal tissue, a mid-dermal tissue, a deep dermal tissue, and an adipose tissue,wherein the thermal focus is formed without a lens, wherein the piezoelectric ultrasound transducer is configured for delivery of the ultrasound therapy energy at a temperature sufficient to denature at least a portion of the tissue under the skin surface, wherein the piezoelectric ultrasound transducer forms a plurality of thermal lesions at the depth for tightening the tissue for reducing skin laxity. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification